import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: lenovo
 * Date: 2022-07-10
 * Time: 8:52
 */
public class Test {
    public static void main(String[] args) {
        int[] arr = new int[26];
        int[] arr1 = null;
        String s = "123";
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNext()){

        }

    }
    public static void main1(String[] args) {
        String s1 = "hello";
        String s2 = "hello";
        String s3 = new String("hello1");
        System.out.println(s1==s2);
        System.out.println(s3.equals(s1));
    }
}
